Circularly Polarized Meshed Patch Antenna for Small Satellite Application
- 29 August 2013
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Antennas and Wireless Propagation Letters
- Vol. 12, 1057-1060
- https://doi.org/10.1109/lawp.2013.2280131
Abstract
A circularly polarized meshed patch antenna design is presented. The proposed antenna consists of two square meshed patches, which generate two orthogonal linear polarizations at two slightly different frequencies. A common proximity feedline is utilized to excite the two patches, and a 90 ° phase difference can be achieved between the two resonant frequencies, which is needed for circular polarization. The overall structure of this antenna is highly compatible with solar panels; thus, it is of great significance for small satellite applications. The measured results of the antenna prototype show that it has a 3-dB axial-ratio (AR) bandwidth of 15 MHz, a 10-dB impedance bandwidth of 2%, and a gain of 5.15 dB at its center frequency 2.47 GHz.Keywords
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